/**
* @param fileToAdd file to add
* @param password password to open the file
* @return the item to add to the table
*/
PdfSelectionTableItem getPdfSelectionTableItem(
File fileToAdd, String password, String pageSelection) {
PdfSelectionTableItem tableItem = null;
PdfReader pdfReader = null;
if (fileToAdd != null) {
tableItem = new PdfSelectionTableItem();
tableItem.setInputFile(fileToAdd);
tableItem.setPassword(password);
tableItem.setPageSelection(pageSelection);
try {
// fix 03/07 for memory usage
pdfReader =
new PdfReader(
new RandomAccessFileOrArray(new FileInputStream(fileToAdd)),
(password != null) ? password.getBytes() : null);
tableItem.setEncrypted(pdfReader.isEncrypted());
tableItem.setPagesNumber(Integer.toString(pdfReader.getNumberOfPages()));
tableItem.setPdfVersion(pdfReader.getPdfVersion());
} catch (Exception e) {
tableItem.setLoadedWithErrors(true);
log.error(
GettextResource.gettext(
Configuration.getInstance().getI18nResourceBundle(), "Error loading ")
+ fileToAdd.getAbsolutePath()
+ " :",
e);
} finally {
if (pdfReader != null) {
pdfReader.close();
pdfReader = null;
}
}
}
return tableItem;
}
public List<PdfDocumentDescriptor> load(List<PdfDocumentDescriptor> toLoad) {
LOG.debug(DefaultI18nContext.getInstance().i18n("Loading documents"));
List<PdfDocumentDescriptor> loaded = new ArrayList<>(toLoad.size());
for (PdfDocumentDescriptor current : toLoad) {
PdfDocumentDescriptor copy = newCopy(current);
PdfReader reader = null;
try {
reader = current.toPdfSource().open(PdfSourceOpeners.newPartialReadOpener());
copy.setEncryptionStatus(EncryptionStatus.NOT_ENCRYPTED);
copy.setPages(reader.getNumberOfPages());
copy.setVersion(String.format("1.%c", reader.getPdfVersion()));
@SuppressWarnings("unchecked")
Map<String, String> meta = reader.getInfo();
for (PdfMetadataKey key : PdfMetadataKey.values()) {
copy.addMedatada(key, defaultString(meta.get(key.getKey())));
}
loaded.add(copy);
} catch (TaskWrongPasswordException twpe) {
copy.setEncryptionStatus(EncryptionStatus.ENCRYPTED);
loaded.add(copy);
LOG.warn(String.format("Owner password required %s", current.getFileName()), twpe);
} catch (Exception e) {
LOG.error(
String.format("An error occured loading the document %s", current.getFileName()), e);
} finally {
nullSafeClosePdfReader(reader);
}
}
LOG.debug(DefaultI18nContext.getInstance().i18n("Documents loaded"));
return loaded;
}
/**
* Opens the copier using the given reader and the given output version.
*
* @param reader
* @param outputStream the output stream to write to.
* @param version version for the created pdf copy, if null the version number is taken from the
* input {@link PdfReader}
*/
void open(PdfReader reader, OutputStream outputStream, PdfVersion version) throws TaskException {
try {
pdfDocument = new Document(reader.getPageSizeWithRotation(1));
pdfCopy = new PdfSmartCopy(pdfDocument, outputStream);
if (version == null) {
pdfCopy.setPdfVersion(reader.getPdfVersion());
} else {
pdfCopy.setPdfVersion(version.getVersionAsCharacter());
}
pdfDocument.addCreator(Sejda.CREATOR);
pdfDocument.open();
} catch (DocumentException e) {
throw new TaskException("An error occurred opening the PdfSmartCopy.", e);
}
}
/**
* Reads a PDF file for retrieving its metadata.
*
* @param file File
*/
public void createTextFromPDF(File file) {
if (file.exists()) {
int page = 1;
PdfReader reader = null;
try {
reader = new PdfReader(new RandomAccessFileOrArray(file.getAbsolutePath()), null);
HashMap<String, String> pdfinfo = reader.getInfo();
StringBuffer sb = new StringBuffer();
sb.append("<html>=== Document Information ===<p>");
sb.append(
reader.getCropBox(page).getHeight() + "*" + reader.getCropBox(page).getWidth() + "<p>");
sb.append("PDF Version: " + reader.getPdfVersion() + "<p>");
sb.append("Number of pages: " + reader.getNumberOfPages() + "<p>");
sb.append("Number of PDF objects: " + reader.getXrefSize() + "<p>");
sb.append("File length: " + reader.getFileLength() + "<p>");
sb.append("Encrypted= " + reader.isEncrypted() + "<p>");
if (pdfinfo.get("Title") != null) {
sb.append("Title= " + pdfinfo.get("Title") + "<p>");
}
if (pdfinfo.get("Author") != null) {
sb.append("Author= " + pdfinfo.get("Author") + "<p>");
}
if (pdfinfo.get("Subject") != null) {
sb.append("Subject= " + pdfinfo.get("Subject") + "<p>");
}
if (pdfinfo.get("Producer") != null) {
sb.append("Producer= " + pdfinfo.get("Producer") + "<p>");
}
if (pdfinfo.get("ModDate") != null) {
sb.append("ModDate= " + PdfDate.decode(pdfinfo.get("ModDate")).getTime() + "<p>");
}
if (pdfinfo.get("CreationDate") != null) {
sb.append(
"CreationDate= " + PdfDate.decode(pdfinfo.get("CreationDate")).getTime() + "<p>");
}
sb.append("</html>");
label.setText(sb.toString());
} catch (IOException ex) {
label.setText("");
}
}
}
